Possible Run 10 plan based on 25 Nov Revised Plan

• Run10, 25 cryo-weeks (my guesses after Dec 27)

– Dec. 1, Begin cooldown to 4.5K – Dec. 4, Cooldown to 4.5K complete in both rings!– Dec. 5, beam setup in RHIC begins.– Dec 16, 20 hr unplanned Maintenance day– Dec 20 (AM)-21(PM), blizzard 09 shut us down– Dec. 27, RHIC Setup complete, begin Ramp Up for Physics (was 14 Dec, late)– Jan. 5 (maybe sooner!!!) , Projected Physics start s=200 GeV/n Au-Au (was 22 Dec, late)– Mar. 16, End 10 week s = 200 GeV/n Run, begin s = 62.4 GeV/n setup– Mar. 18, Begin 4 week s = 62.4 GeV/n run– Apr. 15, End 4 week s = 62.4 GeV/n Run, begin s = 39 GeV/n setup– Apr. 17, Begin 1.5 week s = 39 GeV/n run– Apr. 28, End 1.5 week s = 39 GeV/n Run, begin s = 7.7 GeV/n setup– Apr. 30, Begin 4 week s = 7.7 GeV/n run– May 25, End 4 week s = 7.7 GeV/n Run, begin s = 5.0 GeV/n setup – 25 CRYO WEEK This is it unless we have $’s to run longer – revisit in March– May 28, End 4 week s = 7.7 GeV/n Run, begin s = 5.0 GeV/n setup – May 30, begin 0.5 week beam studies at s = 5 GeV/n and ~ 0.67– Jun 3, end 0.5 week studies– Jun 5, begin s = 11.5 GeV/n for STAR– Jun 19, end 2 week s = 11.5 GeV/n run– Jun 20 , Begin Cryo Warm-up– Jun 21, Warm-up complete, 25 week run ends – 28.9 CRYO WEEKS

Nbunch=61/61p/bunch=0.67x109

Nbunch=49/55Nbunch=51/53

1st “overnight” store for experiments, ramp-up begins

12/28-12/29 stores

Scaling to Table 2 parameters (beam projections document) Lmax=7.5x1026*(103/61)*(1.1/0.67)2=34x1026cm-2s-1

Lmax Goal = 44x1026cm-2s-1 23% low

25% of Maximum Lpeak

Nominal “Physics” start condition, 25% of Minimum Lpeak

12/28-12/29 stores

Assumes L [1026 cm-2 s-1] = ZDC[kHz]

Min Lpeak

Max Lpeak

~6X

12/28-12/29 stores

Loss in 3 hrs = 6200/2100 = 2.9

12/29/09 morning store

24 Apr 07 6

1/3.4 loss in 3 hrs

103 x 103 bunchesL [1026 cm-2 s-1] = ZDC[kHz]RUN7

Store 8544, integrated lumi 17.7 b-1, 6.4 hr storeWith 60% store time we get 279 b-1/week (max goal was 290)

Future Topics

• Toward Smaller beta* - new quad triplets – D. Trbojevic

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Time f rom start of 4.5 deg cooldown to Physics

Projection

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Physics production or beam studies weekssNN (GeV) 25-cryoweek run 27-cryoweek run

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11.5 @ STAR 0 27.7 4 4

Beam studies @ 5 GeV and @ 0.67

0.5 0.5

Revised Run 10 Plan, Nov 25, 2009

BNL Energy Cost

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Balanced Billing Projection

RHIC ON

AGS SEB/FEB

NSRL

Through Nov 09

RHIC Cryo Operations FY09-10

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1.00

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-30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50

Days since beginning of Run

MW

RHIC Cryo 10

RHIC Cryo 09

Through 12/8/09

RHIC Operations FY09-10

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-30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50

Days since beginning of Run

MW

CAD P ower 09

CAD P ower 10

Through 12/8/09

Run 10 Au-Au Goals11/19/09

• STAR– s = 200 GeV/n

• Luminosity Sampled/Delivered = 2/4 nb-1

• 250M Central Events• 300M Min-bias events

• PHENIX– s = 200 GeV/n

• Luminosity Recorded/Delivered = 1.4/>6 nb-1

• Minimum Goal: – Luminosity Recorded/Delivered = 1.1/3.9 nb-1

– Oct. 5, N2 scrubbing– Oct. 30, Temp. Control devices in and ready

(required for 45 K wave cooldown).– Nov. 2, 45 K wave begins.– Nov. 12, AGS Testing.– Nov. 12-13, APEX Workshop – Nov. 16, beam setup in Booster and AGS– Nov. 16-20, RHIC Dry Run – Nov 22, Beam extracted from AGS to W dump

Run 10 Setup

Wednesday midnight

Thursday midnight

http://www.bnl.gov/cad/esfd

AGS-Booster-Tandem/Linac Startup

RHIC Cryo Cooldown to 45 deg K

RHIC Cryo Cooldown/Warm-up

RHIC Cryo Operation

RHIC Cryo off

RHIC Research with s = 200 GeV /n AuAu

RHIC Research with s = 8-62 GeV /n AuAu

NSRL (NASA Radiobiology)

AGS (DTRA, possible)

Shutdown (RHIC)

C-A Operations-FY10

Program Element Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep

FY 2010

17 Nov 09

setup with beams in both rings Planned (budget permitting)

Sep

concurrent with RHIC

ramp up luminosity

21 Sep

≥ 25 weeks

1 Dec

20 Nov

setup as required

10 weeks physics

End Date TBD

10 weeks

25 Cryo Weeks